(Q36566214)
Statements
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Reliability and validity of the chronic respiratory questionnaire (CRQ). (English)
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Wijkstra PJ
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TenVergert EM
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Van Altena R
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Otten V
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Postma DS
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Kraan J
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Koëter GH
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1 May 1994
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465-467
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Identifiers
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